Cunninghan households in each
county in the Primary Valuation property survey of 1847-64.

Very numerous: all areas, particularly Ulster & Connacht. Generally of Scottish origin in E Ulster; otherwise it is usually a native name from the Uí Fiachrach and the Uí Maine in Connacht. Ir. Mac/Ó Cuinneagáin, Ó Connagáin. SI & IF.